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Finding the Fourth Proportional to 507,551.12, 700,103.64 and 326,499.04

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Solution

The fourth proportional to 507,551.12, 700,103.64 and 326,499.04 is: 450,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,551.12 : 700,103.64 = 326,499.04 : x
  2. Step 2: Convert to fraction form
    507,551.12/700,103.64 = 326,499.04/x
  3. Step 3: Cross multiply
    507,551.12x = 700,103.64 × 326,499.04
  4. Step 4: Simplify right side
    507,551.12x = 228,583,166,360.51
  5. Step 5: Solve for x
    x = 228,583,166,360.51/507,551.12
  6. Step 6: Final answer
    x = 450,364.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.